00:00
4
1
3
9
5
4
6
7
2
9
1
1
4
7
6
5
2
9
1
3
1
7
8
2024-01-06(Advanced) Puzzles
Use full logic for complex solving
Think logically without rushing.
Tips for Solving Sudoku
- Start with squares with fewer numbers: Begin with rows, columns, or blocks that already have more numbers filled; fewer candidates make it easier to solve.
- Pencil marks (notes): For beginners, write possible numbers in small font in empty squares for reference.
- Review: If stuck, check for duplicate numbers or rule violations.
- Basic rule: Do not repeat the same number in the same row, column, or 3x3 block.